| 发明名称 |
Preparation of yellow pigment |
| 摘要 |
A process for preparing transparent Pigment Yellow 138 by grinding Pigment Yellow 138 in the presence of a grinding agent, preparing an aqueous slurry of the ground particles, and filtering the slurry resulting in a filter cake containing particles of transparent Pigment Yellow 138. In addition, a process for improving color strength of an ink and/or plastic composition is also disclosed by adding transparent Pigment Yellow 138 to the composition.
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| 申请公布号 |
US2005139127(A1) |
申请公布日期 |
2005.06.30 |
| 申请号 |
US20030751245 |
申请日期 |
2003.12.31 |
| 申请人 |
SMITH NORMAN W.;SCHWARTZ RUSSELL J.;CLARK KIMBERLY A.;CHAMBERLAIN TERENCE R. |
发明人 |
SMITH NORMAN W.;SCHWARTZ RUSSELL J.;CLARK KIMBERLY A.;CHAMBERLAIN TERENCE R. |
| 分类号 |
C09B67/00;C09B67/04;C09D7/00;C09D11/00;C09D11/02;(IPC1-7):C08K5/00;C09B25/00 |
主分类号 |
C09B67/00 |
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